Research for the Mirror reveals that creating these roles – which would include numerous Tory cronies and donors – would cost taxpayers at least £1.3million.

Lord Sewel’s sex and drugs scandal has led to growing calls for the House of Lords, which currently has 783 members, to be replaced with a fully-elected second chamber.

Labour MP Paul Flynn said it was “outrageous” that Mr Cameron had ruled out Lords reform.

Mr Flynn said: “He has decided it’s not in his interests to change it... The House of Lords is a bloated, self-indulgent gravy train that’s headed nowhere.

Quit: Lord John Sewel speaking in the House of Lords (Image: Getty)

“We need 200 fewer Lords, not a whole new batch of clapped-out politicians.

“They will be failed ministers, they will be ancient MPs awaiting the verdict of the Chilcot Inquiry.

“They certainly shouldn’t be packed with people who gave money to the Conservatives during the election.”

Lord Sewel, 69, bowed to pressure by quitting the Lords over the revelations he had indulged in sex and drug parties with prostitutes.

The married dad-of-four said: “The question of whether my behaviour breached the Code of Conduct is important, but essentially technical.

“The bigger questions are whether my behaviour is compatible with membership of the House of Lords and whether my continued membership would damage and undermine public confidence in the House of Lords.

"I believe the answer to both these questions means that I can best serve the House by leaving it.

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“I hope my decision will limit and help repair the damage I have done to an institution I hold dear.

“Finally, I want to apologise for the pain and embarrassment I have caused.” He had been deputy speaker of the Lords and was chairman of the standards committee.

Lord Sewel will get to keep his title and may still have access to the Lords’ bars and dining rooms.

Mr Cameron is in the process of naming 32 new Tory peers, 11 Lib Dems and seven Labour.

They are rumoured to include former Foreign Secretary William Hague and the Prime Minister’s long-standing aide Kate Fall.

Mr Cameron, speaking on a visit to Singapore, said there was “no point” in trying to reform the Lords.

New Peers

32

Tory

11

Lib Dems

7

Labour

He said he was planning to appoint scores more peers over the course of the Parliament so it reflected the Tory majority in the Commons.

The PM added: “It is important the House of Lords in some way reflects the situation in the Commons. At the moment it is well away from that.”

In the Lords the Tories are currently 88 short of having a majority over the Lib Dems and Labour.

Baroness Smith, the Shadow Leader of the Lords, said: “David Cameron should reflect before announcing yet another long list of new peers.

“We have already raised our concerns about increasing the size of the second chamber, as we could be heading towards more than a thousand peers in total by 2020.”

Labour Party leadership frontrunner Jeremy Corbyn is among those backing calls for the House of Lords to be replaced.

New Peers plan: British Prime Minister David Cameron wants to create more members of the House of Lords (Image: Getty)

Exclusive research for Daily Mirror by the Electoral Reform Society says creating 50 more peers would cost taxpayers at least £1.3million.

The Lords is already the largest legislative chamber in the world outside of China.

Accounts show the Lords cost taxpayers £93.1million to run in 2013-4 - the equivalent to £118,000 per peer.

Creating another 100 peers would cost at least £2.6million in expenses and allowances, while a “rebalanced” Lords that reflected the Tory majority in the Commons could cost at least £18million, the Electoral Reform Society said.

The Daily Mirror revealed in 2013 taxpayers are forking out more than £60,000 a week so wealthy peers can feast on lavish three-course meals in subsidised dining rooms.

Soon be bigger: The House of Lords (Image: Getty Images)

The House of Lords has bought more than 17,000 bottles of bubbly in the last four years at a cost of more than £260,000 - enough for the 783 peers to have five bottles each a year.

Darren Hughes of the Electoral Reform Society said the Lords was “growing out of control.”

“Each Lord costs the tax-payer nearly £120,000 a year. It can’t be right that when politicians are talking about reducing the cost of politics, they’re set to stuff the upper chamber with yet more party appointees.

“Too many peers have worked in politics before or are party donors. And it’s no surprise that there are always more lining up waiting to join the club. It can’t be allowed to spiral further out of control,” he said.

“It is hugely disappointing, but not that surprising, that David Cameron and the Tories are still stubbornly refusing to budge on a shake-up in the House of Lords.

“Calls for a moratorium, or a retirement age just paper over the cracks. Nothing will be achieved until Parliamentarians vote in favour of abolition and reform, something Lib Dems are committed to doing,” he said.

SNP Shadow Leader of the House of Commons Pete Wishart MP said: “The public are growing angrier by the day by the antics of those who inhabit this gold plated, red-upholstered Narnia.

“As the cost of sustaining all these Lords and Baronesses continues to grow Scottish families are increasingly relying on food banks in austerity ridden Tory UK.

“Action is needed and it is needed now. The House of Lords is a relic that can no longer be afforded in a modern democracy and it is now time for it to go.”

Even though Lord Sewel cannot sit in the Lords, there is no mechanism for stripping him of his title.

The last time a peerage was removed was during the First World War when the Title Deprivation Act of 19176 removed titles from aristocrats who fought with the Germans.